from exerc1 import Employee

class CEO(Employee):
    def sayHello(self):
        print("CEO打招呼：你好！")
        super().sayHello()

if __name__=="__main__":
    ceo=CEO()
    ceo.sayHello()
    emp=Employee()
    emp.sayHello()
    print(f"员工类总共实例化了 {Employee.get_count()} 个对象")
